73479563 has 4 divisors (see below), whose sum is σ = 74684208. Its totient is φ = 72274920.

The previous prime is 73479547. The next prime is 73479569. The reversal of 73479563 is 36597437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36597437 = 2749 ⋅13313.

It is a cyclic number.

It is not a de Polignac number, because 73479563 - 2⁴ = 73479547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73479569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602231 + ... + 602352.

It is an arithmetic number, because the mean of its divisors is an integer number (18671052).

Almost surely, 2^73479563 is an apocalyptic number.

73479563 is a deficient number, since it is larger than the sum of its proper divisors (1204645).

73479563 is a wasteful number, since it uses less digits than its factorization.

73479563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204644.

The product of its digits is 476280, while the sum is 44.

The square root of 73479563 is about 8572.0221068310. The cubic root of 73479563 is about 418.8471084507.

The spelling of 73479563 in words is "seventy-three million, four hundred seventy-nine thousand, five hundred sixty-three".